10-44. Strain gauge b is attached to the surface of the gas tank at an angle of 45° with x axis as shown. When the tank is pressurized, the strain gauge gives a reading of Pb = 250(10 −6 ). Determine the pressure in the tank. The tank has an inner diameter of 1.5 m and wall thickness of 25 mm. It is made of steel having a modulus of elasticity E = 200 GPa and Poisson's ratio n = 1/ 3. | |
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